White and yellow placards indicate the material is radioactive; Orange placards indicate the material is explosive; White placards with black stripes indicate miscellaneous hazardous materials.
What does a yellow colored dot label indicate?
All of the companies use the color red for flammability, blue for health, and yellow for reactivity as taken from the National Fire Protection Association (NFPA) color code system.
What is the DOT Hazard Class for toxic substances?
Hazard Class 6 – Toxic & Infectious Substances.